ACER, INC.
==========

   IP25AB

   Processor              80486SX/80486DX                         
   Processor Speed        20/25/33MHz                             
   Chip Set               ALI                                     
   Video Chip Set         None                                    
   Maximum Onboard Memory 32MB                                    
   Maximum Video Memory   None                                    
   Cache                  None                                    
   BIOS                   Acer                                    
   Dimensions             220mm x 170mm                           
   I/O Options            None                                    
   NPU Options            None                                    

<gopher://bitreich.org/I/th99/m/A-B/33408-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose      |  Location   | Purpose        |   Location   |
   |--------------+-------------+----------------+--------------|
   | Power LED &  | CN1 pins 1  | Turbo switch   | CN1 pins 15  |
   | keylock      |     - 5     |                |     - 17     |
   |--------------+-------------+----------------+--------------|
   | Speaker      | CN1 pins 7  | Reset switch   | CN1 pins 19  |
   |              |    - 10     |                |     & 20     |
   |--------------+-------------+----------------+--------------|
   | Turbo LED    | CN1 pins 12 | External       |      J3      |
   |              |    & 13     | battery        |              |
   |------------------------------------------------------------|
   | Note: If system has a 12-pin connector, make sure red wire |
   | is connected to pin 11.                                    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               |  Label  |  Position  |
   |-------------------------------------+---------+------------|
   |>> | CMOS memory normal operation    |   JP1   |    Open    |
   |---+---------------------------------+---------+------------|
   |   | CMOS memory clear               |   JP1   |   Closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       1MB        |    (4) 256K x 9    |        None        |
   |------------------+--------------------+--------------------|
   |       2MB        |    (4) 256K x 9    |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       4MB        |     (4) 1M x 9     |        None        |
   |------------------+--------------------+--------------------|
   |       5MB        |    (4) 256K x 9    |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       5MB        |     (4) 1M x 9     |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       16MB       |     (4) 4M x 9     |        None        |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   | Speed |    JP2     |    JP3     |           JP4            |
   |-------+------------+------------+--------------------------|
   | 20MHz | Pins 2 & 3 | Pins 1 & 2 | Pins 1 & 2, 3 & 4 closed |
   |       |   closed   |   closed   |                          |
   |-------+------------+------------+--------------------------|
   | 25MHz | Pins 1 & 2 | Pins 2 & 3 |    Pins 3 & 4 closed     |
   |       |   closed   |   closed   |                          |
   |-------+------------+------------+--------------------------|
   | 33MHz | Pins 1 & 2 | Pins 1 & 2 |    Pins 1 & 2 closed     |
   |       |   closed   |   closed   |                          |
   +------------------------------------------------------------+